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Table 2 Baseline characteristics of participants according to weight loss quartilesa

From: Calorie restriction improves metabolic state independently of gut microbiome composition: a randomized dietary intervention trial

  Q1 (n = 36) Q2 (n = 35) Q3 (n = 36) Q4 (n = 36) pb
Sex, n (%)
 Men 16 (44.4) 21 (60.0) 17 (47.2) 18 (50.0)  
 Women 20 (55.6) 14 (40.0) 19 (52.8) 18 (50.0)  
Age, years 51.0 ± 6.3 51.5 ± 8.1 51.2 ± 7.8 47.4 ± 8.3 0.11
Weight, kg 94.2 ± 15.8 94.3 ± 14.1 93.3 ± 15.5 95.0 ± 14.2 0.97
BMI, kg/m2 32.1 ± 4.1 31.1 ± 3.7 30.9 ± 3.4 31.5 ± 3.7 0.53
Subcutaneous adipose tissue, cm3 13107 ± 4620 11153 ± 2842 12118 ± 3933 12871 ± 4047 0.18
Visceral adipose tissue, cm3 5253 ± 2249 5037 ± 2191 4836 ± 2006 4720 ± 2038 0.75
Systolic blood pressure, mmHg 139.6 ± 11.0 132.7 ± 13.8 136.6 ± 14.4 140.0 ± 21.9 0.14
Diastolic blood pressure, mmHg 90.1 ± 8.1 86.3 ± 8.0 87.3 ± 7.7 86.9 ± 9.8 0.19
Glucose, mg/dL 93.4 ± 7.9 93.4 ± 6.8 94.8 ± 6.8 91.8 ± 8.0 0.40
HOMA-IR 3.4 ± 1.9 3.0 ± 1.8 2.5 ± 1.2 2.6 ± 1.3 0.09
Triglycerides, mg/dL 139.4 ± 64.9 137.8 ± 90.0 143.9 ± 93.2 108.3 ± 53.5 0.20
Cholesterol, mg/dL 211.4 ± 34.1 202.3 ± 36.4 214.4 ± 36.0 203.2 ± 34.5 0.36
  1. an = 143. Values are means ± SD. bANOVA comparison between all weight loss quartiles for all variables except sex. p-value for sex is from Chi-square test for the comparison of the distribution of sexes across all quartiles at baseline. Q1, Q2, Q3, and Q4—weight loss quartiles 1, 2, 3, and 4 respectively. Values are reported only for participants with gut microbiota data at baseline and also had weight measurements at week 12, i.e., non-dropouts